Product Name: Multi Compressor Rack Refrigeration 

                   System Trainer

Model Name: YESR-7200

Technical Description

• Available to test checking fault, temp. control, and pressure control 

   in multi condensing unit system.

• Available to compare with effect of one condensing unit and two 

   condensing unit.

• Available to check oil level gauge at system with visual by using oil level 

   regulator at each of compressor.

• Available to draw p-I diagram as changing system cycle in refrigeration 

   apparatus, since the measured section in the system should be selected.

• Available to test performance with theory on operation of device.

• Available to acquisition and save data of p-I diagram with program software.

• Size(LxWxH): 1,500x700x700mm

• Weight: 80Kg

• Operating Control(ON,OFF) of monitoring and machine using data saving Function

   and electric control board in the PC via YESR-DAQ (optional accessory)

• Fault insertion & simulation, Data acquisition and P-I diagram drawing via

   YESR-DAQ (optional accessory)

• Manual with theory and experiments

Machine

a. Compressor : 1/2HP, 2ea 

b. Condenser : Air-cooled type 

c. Expansion Valve : Manual type 

d. Liquid receiver : 1/2HP, Accumulator : 1ea, 1/2HP 1ea 

e. Electronic valve for operation : 3/8“ nut clamp type or welding type 

f. Electronic Valve : : 3/8" nut clamp type 

g. Manometer 

h. Fitting nipple 

i. Sight Glass 

j. Thermostat range: -50℃~100℃ 

k. Pressure switch range: Low side: 0bar~5bar, High side: 5bar~30bar 

l. Pussure Sensor : 4EA

m. Condenser, Accumulator

Optional

• HVAC with DAC[Model name : YESR-DAQ] 

• Sequence Control Unit [Model Name : YESR-SEC] 

• Refrigerant : R-22, R-134a, R-401a, R-404a, R-600a